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1) Under the condition that the structural strength of the casting is met, the die-casting mold should adopt a thin-walled structure. In addition to reducing the mass of the casting, this also reduces the thermal load on the mold. But the thickness of the casting wall must also meet the needs of molten metal flowing and filling in the mold cavity.
2) The wall thickness of the casting should be uniform throughout the day to avoid hot spots, which can reduce local heat concentration and accelerate the thermal fatigue of local mold materials.
3) There should be appropriate casting fillets at the corners of the casting to avoid the formation of edges and corners in the corresponding parts of the mold, causing cracks and collapse there, and also to improve the filling conditions.
4) Narrow and deep cavities should be avoided as much as possible on the casting to avoid narrow and high bosses appearing in the corresponding parts of the mold, which will worsen the heat dissipation conditions and cause bending and breakage due to impact.
Link to this article：Effect of casting structural design on die-casting mold life
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